<!DOCTYPE html>
<html lang="zh-CN">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <form action="http://localhost:8080/" method="post" enctype="multipart/form-data">
    <input type="text" name="user"><br>
    <input type="file" name="file" id=""><br>
    <input type="submit" >
  </form>
</body>

</html>